The OpenWrt Image has NO Password set!
It has LuCI installed the WiFi is ENABLED by default and is set to "OpenWrt".

A stable Choas Calmer sysupgrade-image with nano, germane translation for LuCI and all packages for usb.tethering:https://app.box.com/s/ktkadgmqz3dky6mxuwh5d4mnaehjb65f (md5sum: fa9decb9dd5710bd6846d0bc103727c1)
Only SYSUPGRADE - install other OpenWRT image first like in the archive above.
With tethering you can get easy access to the internet over your mobile phone or a USB-Ethernet-Adapter. Just plug in and define a new wan interface with eth1.
Boot in generic.failsafe will trigger firstboot!
Use at your own risk - no warranty!